"And Christian minorities are convenient targets for many of the (Muslim) thug-groups."
Unfortunately, the theory goes, when the West acts in the Middle East, Christians seem to be vulnerable to a backlash and the Extremists see them as a way to get back of us.
BUT, a big but.... look at Africa, we aren't in Nigeria and Christians are persecuted, so the above is a theory, probably true quite a bit of the time but maybe not always.